Hyundai Sonata LF: Air Conditioning System / Refrigerant Line Components and Components Location

Compressor oil Repair procedures

Oil Specification 1. The R-134a system requires synthetic (ND8) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed...

Refrigerant Line Repair procedures

Replacement 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Rail Pressure Sensor (RPS) Description and Operation

Description Rail Pressure Sensor (RPS) is installed on the delivery pipe and measures the instantaneous fuel pressure in the delivery pipe. The sensing element (Semiconductor element) built in the sensor converts the pressure to voltage signal...

Hyundai Sonata LF 2014-2019 Service Manual: Knock Sensor (KS) Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the intake manifold (Refer to “Intake And Exhaust System” in EM group). 3. Disconnect the injector connector (A). 4. Remove the installation bolt (B), and then remove the sensor from the cylinder block...